US3486112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for giving calibrated amplitude indications
Assignee: Wandel and Golterman GmbH and Co
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Filing: 1967-12-26
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Granted: 1969-12-23
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Expires: 1987-12-26
Abstract
No abstract record available.
Inventors
- 👤 Herbert Bayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:36
CPC Classifications
G; G01; G01R; G01R35/00; G01R35/005; G01R17/00; G01R19/00; G01R19/10; G01R19/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |